Add .gitignore template for MetaTrader 5 / MQL5

Author: softwaredevelop

community/MetaTrader5.gitignore

@@ -0,0 +1,57 @@
+# MetaTrader 5 and MQL5 gitignore template
+# Project homepage: https://www.metatrader5.com/en
+
+# Compiled MQL5 executables (binaries)
+# These are generated from .mq5 source files and should not be committed.
+*.ex5
+*.ex4 # For MQL4 compatibility if you also manage MT4 projects in a similar structure
+
+# Log files
+# Terminal logs, strategy tester logs, and custom logs from Print() functions.
+*.log
+*.slog # Strategy Tester logs
+
+# Strategy Tester specific files
+# History data, optimization results, and temporary files used by the tester.
+*.fxt  # FXT files (history data for testing)
+*.hst  # History data files (can be large)
+*.ini  # Initialization files (often generated by tester or EAs)
+*.dat  # Data files (various purposes, often temporary)
+*.csv  # CSV export files (e.g., from tester reports)
+*.jrn  # Journal files (tester journal)
+
+# Market Watch sets and profiles
+# User-specific lists of symbols in Market Watch, and terminal profiles.
+*.set  # Market Watch symbol sets
+*.tpl  # Chart templates
+*.chr  # Chart settings files (can be generated when saving templates or profiles)
+
+# External libraries (DLLs)
+# If you use custom DLLs, you might want to ignore them if they are built separately
+# and not part of your MQL5 source code repository.
+*.dll
+
+# User-specific configuration and credentials
+# Files containing sensitive information or local user settings.
+.env   # Environment variables (e.g., for Python integration credentials)
+*.cfg  # Configuration files (if not meant to be shared)
+*.json # Be careful: if you have config JSONs you *do* want to commit, add specific exceptions.
+       # Example: !config.json (to include config.json but ignore other *.json)
+
+# Temporary files and backup files generated by MetaEditor
+*.~*   # Temporary files (e.g., ~MyScript.mq5)
+*.bak  # Backup files (e.g., MyScript.mq5.bak)
+*.mqh.bak
+*.mq5.bak
+
+# MetaEditor project files
+# Project files for MetaEditor workspaces.
+.mqproj
+
+# Python specific ignores (if you also keep Python scripts or Jupyter notebooks in this repository)
+# These are relevant if your Git repo root is higher up (e.g., the terminal folder itself)
+# or if you mix Python code within your MQL5 structure.
+__pycache__/       # Python compiled bytecode cache
+.ipynb_checkpoints/ # Jupyter Notebook checkpoints
+*.pyc              # Python compiled files
+*.pyd              # Python dynamic modules